1. Explain the 4 assumptions of regression analysis and the importance of making sure that each of these assumptions are upheld. 2. Explain why hypothesis testing has been positioned as one of the greatest discoveries of the 20th century? 3. Explain the difference between a z-distribution and a t-distribution? When should a t-test versus a z-test be used? When can both be used? 4. What are some key considerations when running a regression analysis? What are some pitfalls every analyst should be aware of?
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